{\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi} \begin{tabular}     {@{\extracolsep{4pt}}l*{10}{>{\centering\arraybackslash}m{2.5cm}}@{}}      \toprule             & \multicolumn{2}{c}{\textbf{Hourly production}}  & \multicolumn{2}{c}{\textbf{Attentiveness index}} \bigstrut  \\          \cline{2-3} \cline{4-5} \addlinespace          
                    &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         \\
\midrule
Cash $\times$ Post-pay&       0.146\sym{***}&       0.238\sym{***}&       0.073         &       0.114\sym{*}  \\
                    &     (0.054)         &     (0.071)         &     (0.053)         &     (0.068)         \\
\addlinespace
Cash $\times$ Post-pay $\times$ Not worried&      -0.142         &      -0.100         &      -0.160         &      -0.143         \\
                    &     (0.106)         &     (0.112)         &     (0.120)         &     (0.123)         \\
\addlinespace
Cash $\times$ Post-pay $\times$ Higher wealth&                     &      -0.184\sym{*}  &                     &      -0.083         \\
                    &                     &     (0.098)         &                     &     (0.091)         \\
\midrule
Coef: cash effect + worry interaction&       0.004         &       0.138         &      -0.087         &      -0.029         \\
SE: cash effect + worry interaction&       0.093         &       0.127         &       0.110         &       0.132         \\
P-val: cash effect + worry interaction&       0.963         &       0.276         &       0.431         &       0.825         \\
Coef: cash effect + wealth interaction&                     &       0.053         &                     &       0.031         \\
SE: cash effect + wealth interaction&                     &       0.075         &                     &       0.072         \\
P-val: cash effect + wealth interaction&                     &       0.475         &                     &       0.664         \\
N: worker-hours     &      17,381         &      17,381         &      12,982         &      12,982         \\
\bottomrule
\end{tabular}
}
